CN103482882B - A kind of water-absorbent antifog glass preparation method - Google Patents
A kind of water-absorbent antifog glass preparation method Download PDFInfo
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- CN103482882B CN103482882B CN201310418788.3A CN201310418788A CN103482882B CN 103482882 B CN103482882 B CN 103482882B CN 201310418788 A CN201310418788 A CN 201310418788A CN 103482882 B CN103482882 B CN 103482882B
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- 239000011521 glass Substances 0.000 title claims abstract description 72
- 239000002250 absorbent Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 21
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- 239000013543 active substance Substances 0.000 claims abstract description 10
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- 239000000243 solution Substances 0.000 claims description 28
- -1 polyoxyethylene Polymers 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 23
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
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- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 9
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 claims description 5
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 claims description 5
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000007669 thermal treatment Methods 0.000 claims description 5
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- 150000003077 polyols Chemical class 0.000 claims description 4
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- TZMFJUDUGYTVRY-UHFFFAOYSA-N pentane-2,3-dione Chemical compound CCC(=O)C(C)=O TZMFJUDUGYTVRY-UHFFFAOYSA-N 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 125000005376 alkyl siloxane group Chemical group 0.000 claims description 2
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- 229920000515 polycarbonate Polymers 0.000 claims description 2
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- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
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- 229920002582 Polyethylene Glycol 600 Polymers 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229940057847 polyethylene glycol 600 Drugs 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
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- 239000003513 alkali Substances 0.000 description 1
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- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
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- 125000005442 diisocyanate group Chemical group 0.000 description 1
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- 238000009736 wetting Methods 0.000 description 1
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Abstract
The present invention relates to a kind of preparation method of water-absorbent antifog glass, comprise the following steps: step 1: in ultrasonication situation, at the uniform velocity add basic catalyst after tetraethoxy, organic solvent and distilled water being mixed and react, then ultrasonication for some time obtains nano silicon dioxide sol; Step 2: among nano silicon dioxide sol tensio-active agent being joined gained in step 1, stir to obtain nano silicon solvent solution; Step 3: add in the nano silicon solvent solution of step 2 gained containing the water suction resin of group and cross-linkable solidifying resin agitating even, reenter after solidifying agent and flow agent stir and namely obtain water-absorbent anti-fog solutions; Step 4: vehicle glass surface is carried out pre-treatment, degrease process, physics polishing, drier after using tap water and distilled water flushing respectively; Step 5: by gained water-absorbent anti-fog solutions plated film in the glass surface step 3 of clean drying, obtain the vehicle glass with anti-fog function.
Description
Technical field
The invention belongs to vehicle glass technical field, particularly relate to automobile glass anti-fog technical applications, be specifically related to a kind of water-absorbent antifog glass preparation method.
Background technology
In the winter time or summer overcast and rainy, there is larger temperature contrast in automobile interior exterior environment, when interior surfaces of glass temperature reaches dew-point temperature, steam just in glass surface condensation, forms thickly dotted little water droplet.Due to the existence of these small water droplets, light, by there is refraction and reflection during glass, significantly reduces the transmittance of glass, has a strong impact on the sight line sharpness of officer, easily cause the generation of traffic accident.Specialty Statistical Comparison, the influenced road accident rate that will improve 5 times of pilot's line of vision.
The method that current vehicle glass prevents glass from hazing usually is turned on the aircondition or hot blast dispersing fog, manual wiping, plating conducting film heating defog and use antifogging agent.These methods as turned on the aircondition, the energy of heating defog both at substantial turn increases exhaust emissions; Manual wiping or use antifogging agent then antifog timeliness short, need frequent Reusability; Plating conducting film then cost intensive, inconvenient maintenance.
Summary of the invention
The present invention devises a kind of preparation method of water-absorbent antifog glass, which solves the problem that vehicle glass hazes in the environment that humiture difference is larger, energy-conserving and environment-protective while improving travel safety; Especially the problem that antifogging product work-ing life is short, not resistance to wiping needs Reusability is solved.
In order to solve the technical problem of above-mentioned existence, present invention employs following scheme:
A preparation method for water-absorbent antifog glass, is characterized in that comprising the following steps:
Step (1): at the uniform velocity add basic catalyst after tetraethoxy, organic solvent and distilled water being mixed in ul-trasonic irradiation situation and react, continuation ul-trasonic irradiation for some time obtains nano silicon dioxide sol simultaneously;
Step (2): among nano silicon dioxide sol tensio-active agent being joined gained in step (1), stir to obtain nano silicon solvent solution;
Step (3): in the nano silicon solvent solution of step (2) gained, add containing the water suction resin of group and cross-linkable solidifying resin agitating even; Add solidifying agent and flow agent again, after stirring, namely obtain the antifog mixing solutions of water-absorbent for glass baseplate;
Step (4): first pre-treatment is carried out on vehicle glass surface, does degrease process with organic solvent, then physics polishing, drier after using tap water and distilled water flushing respectively;
Step (5): through the antifog mixing solutions plated film of water-absorbent of the middle gained of the clean dry glass surface step (3) of step (4), will namely obtain the vehicle glass with anti-fog function.
Further, described step (1) neutral and alkali catalyzer is ammoniacal liquor, tetraethoxy content is 5.6-14.0wt%, distilled water content is 2-6wt%, the content of ammoniacal liquor is 4-7.5wt%, surplus is organic solvent, and ammoniacal liquor refers to that concentration is the saturated concentrated ammonia solution of 25-28wt%, and the nano-silicon dioxide particle particle diameter of gained nano silicon dioxide sol is 2-20nm.
Further, the organic solvent in described step (1) is one in ethyl acetate, isobutyl acetate, acetone, methyl ethyl diketone or mixed solution.
Further, it is 23-30 DEG C that described step (1) controls temperature of reaction, and ul-trasonic irradiation while of in reaction process, the reaction times is 3-8 hour.
Further, tensio-active agent in described step (2) is one or the mixture of the tensio-active agent of hydroxyl, amino, carbon-carbon double bond or carboxyl, preferably, tensio-active agent is the mixture of one or more in N-Methyl pyrrolidone, polyoxyethylene aliphatic alcohol ether, polyxyethylated alkylphenol, polyglycerol fatty acid, polypropylene glycerol aether, fatty alcohol-polyoxyethylene ether; Tensio-active agent and nano silicon dioxide sol blending ratio are (1-2): 10, stir 10 minutes.
Further, be oxyalkylene system polyvalent alcohol containing the resin of water suction group in described step (3), the blending ratio of itself and nano silicon solvent solution is (1-1.5): 3.
Further, in described step (3), cross-linkable solidifying resin is one or several the mixture in polycarbonate polyol, polycaprolactone polyol, acrylic polyol, and its ratio accounting for the antifog mixing solutions of water-absorbent is 17-22wt%.
Further, solidifying agent is one in aliphatic isocyanates, the aromatic isocyanate based on TDI, the aromatic isocyanate based on MDI or mixture in described step (3), and its ratio accounting for the antifog mixing solutions of water-absorbent is 21-23wt%.
Further, flow agent is one in polyoxyalkylene alkyl siloxanes flow agent, macromole polysiloxane, tail end hydroxyl polyether modified silicon oil or mixture in described step (3), and its ratio accounting for the antifog mixing solutions of water-absorbent is 0.1-0.3wt%.
Further, the organic solvent being used as degrease process in described step (4) is a kind of or several mixture in methyl alcohol, ethanol, acetone and water.
Further, coating process is spraying or blade coating or roller coat or the mode such as dip-coating or obliterating in described step (5), and by glass thermal treatment 1-6 hour at 80-150 DEG C after rete levelling, thicknesses of layers controls at 5-20 μm.The preparation method of this water-absorbent antifog glass has following beneficial effect:
(1) preparation method of water-absorbent antifog glass of the present invention, application is convenient, the film mode that spraying, blade coating, roller coat, dip-coating, obliterating etc. can be adopted normal is at clean vehicle glass surface construction, the anti-fog automobile glass with water-fast, resistance to wiping, ageing-resistant and good anti-fog performance can be obtained after Overheating Treatment, thus effectively can solve vehicle glass and haze in the larger environment of automobile interior exterior humiture difference and affect the problem of safe driving.
(2) preparation method of water-absorbent antifog glass of the present invention, nano silicon dioxide sol and the component such as absorbent resin, tensio-active agent containing wetting ability functional group is adopted to be mixed with anti-fog solutions, adopt the modes such as spraying, dip-coating and obliterating in interior surfaces of glass film forming, obtain the long-acting anti-fog automobile glass with good anti-fog performance after heating, give the anti-fog performance that vehicle glass is long-acting.
(3) utilize ul-trasonic irradiation in the preparation method of water-absorbent antifog glass of the present invention, be not only the effect of vibrations dispersion, also have the effect promoting chemical reaction.Utilize ultrasonic wave to convert the acoustic energy in power ultrasonic frequently source to mechanical vibration, when the gap spread out of ultrasonic wave in a liquid along with liquid, the molecule of liquid is subject to the transmission of hyperacoustic energy, and has energy, interaction of molecules and produce a large amount of bubbles; When acoustic pressure or the sound intensity be under pressure arrive to a certain degree time, bubble will undergoes rapid expansion, then closes suddenly again.In this section of process, the moment that bubble is closed produces shockwave, make around bubble, to produce powerful pressure and local temperature adjustment, utilize and ultrasonicly can make to react each component and disperse rapidly, to be uniformly distributed and the transmission of energy also promotes the carrying out of intermolecular chemical reaction.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of preparation method of water-absorbent antifog glass, comprises the following steps:
Tetraethoxy 5.5ml and distilled water 2ml is joined among ethyl acetate 80ml, ultrasonic disperse, obtain mixing solutions, the saturated ammonia aqueous solution of 4.5ml, 25wt% is dissolved in ethyl acetate 20ml, at the uniform velocity join in above-mentioned mixing solutions with the speed of 3ml/min and go, period keeps temperature of reaction to be 23-30 DEG C, ultrasonication always in reaction process, reaction times is 3 hours, obtains nanometer
particle content be about 2.47wt% silicon sol, particle diameter is 2-20nm.
2.5g silicon sol is dissolved among 2.5g ethyl acetate, add non-ionic surfactant polyoxyethylene alkyl phenol ether 0.25g, Polyethylene Glycol-600 (PEG600) 50mg, poly(oxyethylene glycol) 400 (PEG400) 1.5g, after adding acrylic polyol resin 1.7g stirring 30min after stirring, add Bayer HDI diisocyanate biuret curing agent N3300(DesmodurN3300) solidifying agent 2.8g, stir and obtain the antifog mixing solutions of water-absorbent.
Car surface glass ethanol is carried out degrease process, then carries out physics polishing, then clean with tap water and distilled water respectively, then drying for standby.
Spray plated film at the glass surface water-absorbent anti-fog solutions of clean drying at glass surface, by glass thermal treatment 2 hours at 120 DEG C after rete levelling, the vehicle glass with anti-fog function can be obtained.
The antifog glass sample adopting this technique to prepare 5cm place maintenance above 90 DEG C of hot water is not hazed for 15 seconds; Keep 2 hours at-20 DEG C, then heat up 30 minutes to 70 DEG C, and control 95% by relative humidity, keep 2 hours, this low temperature and pyroprocess are a circulation, and circulate three times, then above 90 DEG C of hot water, the maintenance of 5cm place is not hazed for 15 seconds; Sample is put in 5cm place on 80 DEG C of hot water, the beaker volume holding hot water is 50ml, and, every wiping changes one glass of hot water 4 times, and wiping is not hazed for 8 times in test process every the dry cloth wiping with cleaning in 10 seconds once; Sample is put in 5cm place above 80 DEG C of hot water, the beaker holding hot water is 50ml beaker, and in test process, within every 6 minutes, change one glass of hot water, initially the time of hazing is 14 minutes; The time of hazing is 20 minutes completely; Adopt this technique in the obliterating of 5 passenger car front windshield internal surfaces, do not test higher than when 0 DEG C in envrionment temperature, fully loaded 5 people, do not haze through test in 14 minutes.
Embodiment 2
The present embodiment provides a kind of preparation method for antifog glass, comprises the following steps:
Tetraethoxy 7.5ml and distilled water 4ml are joined acetone 80ml mix, ultrasonic disperse, obtain mixing solutions, the saturated ammonia aqueous solution of 6.5ml, 25wt% is dissolved in acetone 20ml, at the uniform velocity join in above-mentioned mixing solutions with the speed of 3ml/min and go, period keeps temperature of reaction to be 23-30 DEG C, always ultrasonic in reaction process, reaction times is 3 hours, obtains nanometer
particle content be about 3.27wt% silicon sol, particle diameter is 2-20nm.
2.5g silicon sol is dissolved among 2.5g methyl ethyl diketone, add nonionogenic tenside polyoxypropylene glycerol ether 0.25g, Polyethylene Glycol-600 (PEG600) 50mg, poly(oxyethylene glycol) 400 (PEG400) 1.5g, after adding acrylic polyol resin 1.7g stirring 30min after stirring, add solidifying agent N33002.8g, stir and obtain the antifog mixing solutions of water-absorbent.
Car surface glass ethanol is carried out degrease process, then carries out physics polishing, then clean with tap water and distilled water respectively, then drying for standby.
Drip painting plated film at the glass surface water-absorbent anti-fog solutions of clean drying at glass surface, by glass thermal treatment 2 hours at 120 DEG C after rete levelling, the vehicle glass with anti-fog function can be obtained.
The antifog glass sample adopting this technique to prepare 5cm place maintenance above 90 DEG C of hot water is not hazed for 15 seconds; Keep 2 hours at-20 DEG C, then heat up 30 minutes to 70 DEG C, and control 95% by relative humidity, keep 2 hours, this low temperature and pyroprocess are a circulation, and circulate three times, then above 90 DEG C of hot water, the maintenance of 5cm place is not hazed for 15 seconds; Sample is put in 5cm place on 80 DEG C of hot water, the beaker volume holding hot water is 50ml, and, every wiping changes one glass of hot water 4 times, and wiping is not hazed for 8 times in test process every the dry cloth wiping with cleaning in 10 seconds once; Sample is put in 5cm place above 80 DEG C of hot water, the beaker holding hot water is 50ml beaker, and in test process, within every 6 minutes, change one glass of hot water, initially the time of hazing is 16 minutes; The time of hazing is 20 minutes completely; Adopt this technique in the obliterating of 5 passenger car front windshield internal surfaces, do not test higher than when 0 DEG C in envrionment temperature, fully loaded 5 people, do not haze through test in 14 minutes.
Embodiment 3
The present embodiment provides a kind of preparation method of the antifog constituent for glass, comprises the following steps:
Tetraethoxy 5.5ml and distilled water 4ml are joined isobutyl acetate 85ml mix, ultrasonic disperse, obtain mixing solutions, the saturated ammonia aqueous solution of 4ml, 25wt% is dissolved in isobutyl acetate 23ml, at the uniform velocity join in above-mentioned mixing solutions with the speed of 3ml/min and go, period keeps temperature of reaction to be 23-30 DEG C, always ultrasonic in reaction process, reaction times is 3 hours, obtains nanometer
content be about 2.08wt% silicon sol, particle diameter is 2-20nm.
2.5g silicon sol is dissolved among 2.5g isobutyl acetate, add nonionogenic tenside polyoxypropylene glycerol ether 0.25g, Polyethylene Glycol-600 (PEG600) 50mg, poly(oxyethylene glycol) 400 (PEG400) 1.5g, after adding acrylic polyol resin 1.7g stirring 30min after stirring, add solidifying agent N33002.8g, stir and obtain the antifog mixing solutions of water-absorbent.
Car surface glass ethanol is carried out degrease process, then carries out physics polishing, then clean with tap water and distilled water respectively, then drying for standby.
At room temperature, with spray gun with the pressure of 0.4-0.6MPa by the vehicle glass internal surface of antifog for water-absorbent constituent even application in clean drying, wet-film thickness controls at 5-20 μm, at room temperature naturally place 10 minutes, in 150 DEG C of environment, thermal treatment obtains the vehicle glass with anti-fog function in 1 hour.
The antifog glass sample adopting this technique to prepare 5cm place maintenance above 90 DEG C of hot water is not hazed for 15 seconds; Keep 2 hours at-20 DEG C, then heat up 30 minutes to 70 DEG C, and control 95% by relative humidity, keep 2 hours, this low temperature and pyroprocess are a circulation, and circulate three times, then above 90 DEG C of hot water, the maintenance of 5cm place is not hazed for 15 seconds; Sample is put in 5cm place on 80 DEG C of hot water, the beaker volume holding hot water is 50ml, and, every wiping changes one glass of hot water 4 times, and wiping is not hazed for 8 times in test process every the dry cloth wiping with cleaning in 10 seconds once; Sample is put in 5cm place above 80 DEG C of hot water, the beaker holding hot water is 50ml beaker, and in test process, within every 6 minutes, change one glass of hot water, initially the time of hazing is 17 minutes; The time of hazing is 20 minutes completely; Adopt this technique in the obliterating of 5 passenger car front windshield internal surfaces, do not test higher than when 0 DEG C in envrionment temperature, fully loaded 5 people, do not haze through test in 15 minutes.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (9)
1. a preparation method for water-absorbent antifog glass, is characterized in that comprising the following steps:
Step (1): at the uniform velocity add basic catalyst after tetraethoxy, organic solvent and distilled water being mixed in ul-trasonic irradiation situation and react, continuation ul-trasonic irradiation for some time obtains nano silicon dioxide sol simultaneously; Described basic catalyst is ammoniacal liquor, tetraethoxy content is 5.6-14.0wt%, distilled water content is 2-6wt%, the content of ammoniacal liquor is 4-7.5wt%, surplus is organic solvent, ammoniacal liquor refers to that concentration is the saturated concentrated ammonia solution of 25-28wt%, and the nano-silicon dioxide particle particle diameter of gained nano silicon dioxide sol is 2-20nm;
Step: (2): among nano silicon dioxide sol tensio-active agent being joined gained in step (1), stir to obtain nano silicon solvent solution;
Step (3): in the nano silicon solvent solution of step (2) gained, add containing the water suction resin of group and cross-linkable solidifying resin agitating even; Add solidifying agent and flow agent again, after stirring, namely obtain the antifog mixing solutions of water-absorbent for glass baseplate;
Step (4): first pre-treatment is carried out on vehicle glass surface, does degrease process with organic solvent, then physics polishing, drier after using tap water and distilled water flushing respectively;
Step (5): through the antifog mixing solutions plated film of water-absorbent of the middle gained of the clean dry glass surface step (3) of step (4), will namely obtain the vehicle glass with anti-fog function.
2. the preparation method of water-absorbent antifog glass according to claim 1, is characterized in that: the organic solvent in described step (1) is one in ethyl acetate, isobutyl acetate, acetone, methyl ethyl diketone or mixed solution.
3. the preparation method of water-absorbent antifog glass according to claim 1, is characterized in that: it is 23-30 DEG C that described step (1) controls temperature of reaction, and ul-trasonic irradiation while of in reaction process, the reaction times is 3-8 hour.
4. the preparation method of water-absorbent antifog glass according to claim 1, is characterized in that: the tensio-active agent in described step (2) is the mixture of one or more in N-Methyl pyrrolidone, polyoxyethylene aliphatic alcohol ether, polyxyethylated alkylphenol, polyglycerol fatty acid, polypropylene glycerol aether, fatty alcohol-polyoxyethylene ether; Tensio-active agent is (1-2) with the mixing quality ratio of nano silicon dioxide sol: 10, stirs 10 minutes.
5. the preparation method of water-absorbent antifog glass according to claim 1, it is characterized in that: the resin containing water suction group in described step (3) is oxyalkylene system polyvalent alcohol, it is (1-1.5) with the mixing quality ratio of nano silicon solvent solution: 3.
6. the preparation method of water-absorbent antifog glass according to claim 1, it is characterized in that: in described step (3), cross-linkable solidifying resin is one or several the mixture in polycarbonate polyol, polycaprolactone polyol, acrylic polyol, and its ratio accounting for the antifog mixing solutions of water-absorbent is 17-22wt%.
7. the preparation method of water-absorbent antifog glass according to claim 1, it is characterized in that: solidifying agent is one in aliphatic isocyanates, the aromatic isocyanate based on TDI, the aromatic isocyanate based on MDI or mixture in described step (3), and its ratio accounting for the antifog mixing solutions of water-absorbent is 21-23wt%.
8. the preparation method of water-absorbent antifog glass according to claim 1, it is characterized in that: flow agent is one in polyoxyalkylene alkyl siloxanes flow agent, macromole polysiloxane, tail end hydroxyl polyether modified silicon oil or mixture in described step (3), and its ratio accounting for the antifog mixing solutions of water-absorbent is 0.1-0.3wt%.
9. the preparation method of water-absorbent antifog glass according to claim 1, is characterized in that: the organic solvent being used as degrease process in described step (4) is a kind of or several mixture in methyl alcohol, ethanol and acetone; In described step (5), coating process is the mode of spraying or blade coating or roller coat or dip-coating or obliterating, and by glass thermal treatment 1-6 hour at 80-150 DEG C after rete levelling, thicknesses of layers controls at 5-20 μm.
Priority Applications (1)
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| CN103964448A (en) * | 2014-05-09 | 2014-08-06 | 奇瑞汽车股份有限公司 | Method for preparing monodisperse silicon dioxide nanoparticle sol for paint |
| CN103964704A (en) * | 2014-05-09 | 2014-08-06 | 奇瑞汽车股份有限公司 | Hydrophilic antifogging coating liquid, preparation method of hydrophilic antifogging coating and antifogging glass |
| CN104045229B (en) * | 2014-07-01 | 2016-06-22 | 福建省港达玻璃制品有限公司 | A kind of preparation technology of safety glass |
| CN104150783B (en) * | 2014-07-31 | 2017-05-10 | 奇瑞汽车股份有限公司 | Hollow nanoparticle composite antifogging film and preparation method thereof |
| CN104910803A (en) * | 2015-06-03 | 2015-09-16 | 张阳康 | Anti-fog glass |
| JP6637111B2 (en) * | 2018-06-04 | 2020-01-29 | 日本板硝子株式会社 | Windshield |
| CN109651578B (en) * | 2018-12-12 | 2021-09-17 | 中昊北方涂料工业研究设计院有限公司 | Ablation-resistant flame-retardant organic-inorganic resin and preparation thereof |
| CN110819464B (en) * | 2019-10-11 | 2020-12-08 | 陕西仁康药业有限公司 | Hard corneal contact lens care solution and preparation method thereof |
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